问题
选择题
This classroom is __________ that one.
A．three times bigger as
B．three times as big
C．three times the sizeof
D．as three times big as
答案
答案：C
题目分析：考查倍数。倍数表达法：A + 谓语+倍数+the +n.(size/ height/ length……)+of B；A + 谓语+倍数+as + adj. + as B；A + 谓语+倍数+adj. 比较级+than B。句意：这个教室是那个教室的三倍大。故C正确。